package cn.itcast.test;

import java.util.ArrayList;
import java.util.List;

public class App2 {
    public static void main(String[] args) {
        save("aa","bb","cc","dd");
        save(new String[]{});
    }

    public static void save(String... str){

    }

    public static void update(String str1,String str2,String str3){

    }

}
